nautilus-hyperliquid 0.56.0

// -------------------------------------------------------------------------------------------------
//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
//  https://nautechsystems.io
//
//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
//  You may not use this file except in compliance with the License.
//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
// -------------------------------------------------------------------------------------------------

use std::{env, time::Duration};

use nautilus_hyperliquid::{
    common::{consts::ws_url, enums::HyperliquidEnvironment},
    websocket::client::HyperliquidWebSocketClient,
};
use nautilus_network::websocket::TransportBackend;
use tokio::{pin, signal};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    nautilus_common::logging::ensure_logging_initialized();

    let args: Vec<String> = env::args().collect();
    let environment = if args.get(1).is_some_and(|s| s == "testnet") {
        HyperliquidEnvironment::Testnet
    } else {
        HyperliquidEnvironment::Mainnet
    };

    log::info!("Starting Hyperliquid WebSocket execution example");
    log::info!("Environment: {environment:?}");

    let ws_url = ws_url(environment);
    log::info!("WebSocket URL: {ws_url}");

    let mut client = HyperliquidWebSocketClient::new(
        Some(ws_url.to_string()),
        environment,
        None,
        TransportBackend::default(),
        None,
    );
    client.connect().await?;
    log::info!("Connected to Hyperliquid WebSocket");

    // Subscribe to execution channels
    let user_addr = env::var("HYPERLIQUID_USER_ADDRESS")
        .unwrap_or_else(|_| "0x0000000000000000000000000000000000000000".to_string());

    // Subscribe to all user channels using the convenience method
    client.subscribe_all_user_channels(&user_addr).await?;
    log::info!("Subscribed to all user channels for {user_addr}");

    // Wait briefly to ensure subscriptions are active
    tokio::time::sleep(Duration::from_secs(1)).await;

    // Create a future that completes on CTRL+C
    let sigint = signal::ctrl_c();
    pin!(sigint);

    loop {
        tokio::select! {
            Some(message) = client.next_event() => {
                log::debug!("{message:?}");
            }
            _ = &mut sigint => {
                log::info!("Received SIGINT, closing connection...");
                client.disconnect().await?;
                break;
            }
            else => break,
        }
    }

    Ok(())
}